The Corsair WS3000 3000W ATX 3.1 Fully Modular Workstation Power Supply delivers absolute power for multi-GPU workstations and demanding professional workloads. With 3000W total output, four native 12V-2x6 connectors, 80 PLUS Platinum efficiency (up to 94%), ATX 3.1/PCIe 5.1 compliance, fully modular Type 4 cabling, 140mm dual ball bearing fan, and 105°C Japanese capacitors, this flagship workstation PSU provides reliable, clean power delivery for AI/ML, 3D rendering, and pro content creation builds.
Key Features:
- 3000W total power output for demanding workloads
- Single +12V rail, 250A (3000W)
- 80 PLUS Platinum - up to 94% efficiency at 230V
- ATX 3.1 compliant, PCIe 5.1 ready
- Four native 12V-2x6 (12+4-pin) connectors
- Eight traditional 8-pin PCIe connectors
- Powers up to four RTX 5090 GPUs
- Fully modular Type 4 cabling
- 140mm dual ball bearing fan
- 100% Japanese main capacitors (105°C)
- Compact 175mm length
- 220-240V AC only (16A input)
- Two EPS12V connectors
- Multi-GPU ready for professional workloads
- 100,000 hours MTBF
- 10-year warranty
Specifications:
| Model |
RPS0237, CP-9020312-NA (NA), CP-9020312-WW (WW), CP-9020312-EU (EU) |
| Part Number |
75-006861 |
| Wattage |
3000W |
| Efficiency |
80 PLUS Platinum (up to 94% at 230V) |
| ATX Version |
ATX 3.1 (ATX12V v3.1) |
| PCIe Version |
PCIe 5.1 |
| AC Input |
220-240V AC only (16A) |
| Frequency |
47-63Hz |
| +12V Rail |
250A (3000W) |
| +3.3V / +5V |
25A each (130W combined) |
| -12V |
0.8A (9.6W) |
| +5Vsb |
3.0-3.5A (15W) |
| Modularity |
Fully Modular |
| Cable Type |
Type 4 |
| Fan |
140mm Dual Ball Bearing |
| Zero RPM Mode |
No |
| Dimensions (L x W x H) |
175mm x 150mm x 86mm |
| Weight |
4.465-4.5 kg |
| MTBF |
100,000 hours |
| Warranty |
10 Years |
Connectors:
| ATX 24-Pin |
1 |
| EPS 4+4-Pin |
2 |
| PCIe 6+2-Pin |
8 |
| 12V-2x6 (16-pin) |
4 (12+4-pin, native) |
| SATA |
9 |
| Molex/PATA |
6 |
CORSAIR's first PSU rated above 1600W, the WS3000 is purpose-built for multi-GPU workstations requiring serious, sustained power delivery—AI/ML training, 3D rendering, CAD design, and professional content creation. With 3000W capacity and four 12V-2x6 outputs, it can power four RTX 5090 GPUs. 80 PLUS Platinum certified delivers up to 94% efficiency at 230V for lower consumption and cooler operation. Compact 175mm design with fully modular Type 4 cabling. **Requires 220-240V AC circuit (16A)—not compatible with 110/120V regions without appropriate circuit.**